NOT KNOWN FACTS ABOUT ROOF

Photo voltaic roofing solutions extend. Big roofing brands GAF and CertainTeed have joined Tesla in introducing photovoltaic—aka photo voltaic—roofing shingles for houses. CertainTeed’s Solstice shingle seems much more like a standard shingle than GAF’s Timberline design, which includes perpendicular bars throughout the shingle array. Feder